Directions Problem 1. A female with Muppetrus bristle mates with a .pdf

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Directions: Problem 1. A female with Muppetrus bristle mates with a male with Flonasean body color, producing the following counts: F1 Generation Males Disease-Disease WIT-Disease WT- WT Disease-WT 243 239 Females WT-Disease Disease Disease WT-WT Disease-WT 254 254 Solution Parents are heterozygous. Given that each parent has one disease phenotype at one locus and wild type at other locus. Female\'s disease phenotype is Muppetrus bristle. Let its symbol be WT. Cross is: +/disease (phenotype Muppetrus) crossed to +/disease (phenotype Flonasean) The answer cannot be homozygous lethal because WT-WT and Disease-Disease are there. Similarly it cannot be autosomal recessive, because in females Disease-Disease is 0. This means that the mode of inheritance is sex-linked recessive. In Drosophila males, crossing over does not occur. Only one X chromosome, which comes from the female parent. So, genotype of males will be \"WT (wild type)\" phenotype on X- chromosome. In females Disease-Disease is zero because of this..

Sex determination in humans and many other mammals is genetic, with the presence or absence of the Y chromosome determining maleness or femaleness. The SRY gene on the Y chromosome causes embryonic gonads to develop into testes rather than ovaries. In birds and some fish, the ZW sex determination system is used instead of XY, with females being ZW and males ZZ. Genes located on the sex chromosomes are called sex-linked genes and can be inherited in sex-specific patterns. Nondisjunction of sex chromosomes during meiosis can sometimes result in individuals with abnormal sex chromosome complements.

Type of inheritance umi

Aliyah Butik

This document summarizes five types of inheritance: 1) Autosomal dominant traits are expressed when only one copy of the mutant allele is present and there is a 50% chance of passing the trait to offspring. 2) Autosomal recessive traits require two copies of the mutant allele and there is a 25% chance offspring will be affected. 3) X-linked recessive traits always affect males and rarely females; they are passed from mother to daughter but not father to son. 4) X-linked dominant traits are expressed when only one copy is present and have a pattern of transmission similar to X-linked recessive traits. 5) Mitochondrial/maternal inheritance means traits are passed only

Consider the following pedigree, which traces the inheritance of a si.pdf

deepaarora22

Consider the following pedigree, which traces the inheritance of a single-gene hereditary disease. Only individuals that are either affected or normal are shown. In other words, potential heterozygotes are NOT indicated. Characterize each of the following modes of inheritance as: impossible, unlikely, or probable. Justify your answers. Autosomal dominant Autosomal recessive X-linked dominant X-Iinked recessive Y linked Solution Single gene herediary diseases are mainly caused by a change of any one gene in a particular DNA.Its divided into diiferemt categories like dominant ,recessive and X linked.Square indicates a male and circle female.According to the diagram affected male is crossed with an unaffected female.The progeny obtained is affected daughters and unaffected sons. Autosomal dominant: in this case, the father — has a 50 percent chance of having an affected child with one mutated gene (dominant gene) and a 50 percent chance of having an unaffected child with two normal genes (recessive genes).But, in our case none of the sons are affected which means its criss cross inheritance that is from father to daughter.Hence , this case is unlikely Autosomal recessive:To have an autosomal recessive disorder, you inherit two mutated genes, one from each parent. These disorders are usually passed on by two carriers.The cross given in the question is not between the two carriers.The male parent is affected for sure hence this case is impossible X linked dominant:As in autosomal dominant inheritance, only one copy of a disease allele on the X chromosome is required for an individual to be susceptible to an X-linked dominant disease.Both males and females can be affected, although males may be more severely affected because they only carry one copy of genes found on the X chromosome. Some X-linked dominant disorders are lethal in males.When a female is affected, each pregnancy will have a one in two (50%) chance for the offspring to inherit the disease allele. When a male is affected, all his daughters will be affected, but none of his sons will be affected.So, there are probable chance for this type of inheritance X linked recessive:For X-linked recessive disorders, an affected father who has a mutation in a gene on the X chromosome can transmit either the X chromosome with this mutation or a Y chromosome to his children. If the mother is not affected or a carrier, none of his sons will be affected since they can only inherit a normal X chromosome from their mother and they inherit a Y chromosome from their father. Each daughter will have a 50% chance of being an unaffected carrier and a 50% chance of both X chromosomes being normal.In our cross all daughters are affected which means this type of inheritance is impossible Y linked:This type of inheritance is impossible in this case as all female children are getting affected.If it would have been Y linked then only sons should have been affected as Y chromosome is present only in males.Hence this.

agb1219-170321122125.pdf

OdaLamessa

This document discusses various concepts related to genetics and inheritance patterns. It begins by defining key terms like autosomes, sex chromosomes, sex linkage, and sex-linked traits. It provides examples of sex-linked traits in humans like color blindness. The document then discusses concepts such as sex-linked dominance and inheritance patterns seen in reciprocal crosses. It also covers sex-influenced and sex-limited traits. In summary, the document is a comprehensive review of genetics topics focusing on inheritance patterns related to sex chromosomes and the influence of sex on trait expression.

sex linked inheritance, Sex Influence inheritance and sex limited characters

Aashish Patel

This document discusses sex-linked inheritance in genetics. It begins by defining key terms like autosomes, sex chromosomes, and sex-linked traits. It then provides examples of sex-linked traits in humans (color blindness), birds (plumage patterns), and Drosophila (white eye mutation). The rest of the document delves deeper into the mechanisms of different types of sex-linked inheritance patterns like X-linked recessive traits, sex-linked dominance, and criss-cross inheritance. It also discusses sex-influenced and sex-limited traits. In summary, the document provides a comprehensive overview of sex-linked genetics and inheritance patterns.

2014-sex-linkage.ppt

MAHAZELTEOLOGO3

This document discusses sex linkage, sex determination, and sex chromosomes. It begins by defining sex linkage as the phenotypic expression of an allele related to an individual's chromosomal sex. Sex determination is defined as the biological system that determines the development of sexual characteristics in an organism. It then discusses several key topics: - Eukaryotic chromosomes, including that most species are diploid and have homologous chromosome pairs. - Sex chromosomes, which are the X and Y chromosomes. Females typically have two X chromosomes and males have one X and one Y chromosome. - Evidence that supported the chromosome theory of inheritance, including Morgan's experiments with white-eyed Drosophila that demonstrated X-linked inheritance.

Sex Linkage-Unique Heritage

Nistarini College, Purulia (W.B) India

2014 sex-linkage

Andrew Hutabarat

Sex linkage refers to the phenotypic expression of an allele that is related to the chromosomal sex of an individual. Sex determination is the biological system that determines the development of sexual characteristics in an organism. Examples of sex determination mechanisms include genotypic sex determination, where sex is governed by genotype, and genic sex determination, which does not involve sex chromosomes.

This document discusses pedigree analysis and genetic inheritance patterns. It provides definitions of key terms like proband and describes the symbols and structures used in a pedigree. The main genetic inheritance patterns of autosomal dominant, autosomal recessive, X-linked, and Y-linked traits are explained. It notes that a pedigree can provide clues about a disorder's inheritance and help assess risk to family members.

Study Guide Chapter 15 -Chromosomal Basis of Inheritance-Answers.docx

hanneloremccaffery

Study Guide Chapter 15 -Chromosomal Basis of Inheritance-Answers 15.1 Mendelian Inheritance and chromosome theory______________________________ 1. Thomas Hunt Morgan identified the first solid evidence associating a specific___gene_____ on a specific chromosome. 2. Why did Morgan choose Drosophila as his experimental organism? (List 3 reasons) They reproduce quickly, a new generation of adults forms every two weeks! Prolific (single matting = hundreds of offspring) Only 4 chromosome pairs = simple genetics 3A. The normal phenotype for a character (phenotype most common in nature) is called___wild type_____. 3B. Provide at least two examples this phenotype in Drosophila. Red eyes gray body 4A. An alternative phenotype for a character (phenotype not common in nature) is called____mutant____. 4B. Provide at least two examples of this phenotype in Drosophila. White eyes Black body 5. Morgan and his students invented a notation to symbolize alleles in Drosophila that differed from the notation Mendel used to represent alleles. Describe how Morgan’s Drosophila characters are named and the symbol used for the allele type. You can think of Morgan’s wild-type allele as equivalent to the dominant allele in Mendel’s naming system. And you can think of Morgan’s mutant allele as equivalent to Mendel’s recessive allele. So whenever you have one wild-type allele and one mutant allele, that organism will have the wild-type phenotype. Mendel Used the first letter of the dominant character name to represent the dominant allele. This letter was capitalized for the dominant allele, lower case for the recessive allele Ex: purple flower allele dominant to white flower allele: P= dominant allele, p=recessive allele Morgan -Used the first letter of the mutant character name to represent the wild-type allele. The letter for the wild-type and mutant alleles are both lower case. The wild-type allele gets a + sign and the mutant does not. Ex: red eye allele wild-type to white eye mutant: w+ = wild-type allele, w= recessive allele. 6. Morgan and his students invented a notation to symbolize alleles in Drosophila. Which of the following genotypes would produce a fly that is wild-type for eye color (red vs. white eyes)? w+ w+ w+ w w w w+w+ and w+w 7. Morgan performed an experiment that yielded a 3:1 ratio of offspring in the F2 generation; however, only the males of this F2 generation had white eyes. White- eye females DO EXIST, so why were only white-eye males observed in this cross? Complete the following chart and describe why Morgan observed these results and how it allowed him to conclusively determine that the gene for eye color was located on the X chromosome. Morgan’s experiment (see Figure 15.4) Use notation developed by Morgan and his students If the gene for eye color is located on the X chromosome…. P generation Red eye Female genotype for eye color = w+w+ White eye Male genotype for eye color= w F1 generatio.

sex linked inheritance

HadiAli42

The document discusses sex-linked inheritance in humans and other species. Some key points: - Sex-linked traits are determined by genes on the sex chromosomes (X in humans). Females have two X chromosomes while males have one X and one Y chromosome. - Early work by Thomas Hunt Morgan in fruit flies established the first sex-linked trait (white eyes in males) and showed inheritance from father to daughter to grandson. - Common human examples are color blindness and hemophilia, which are X-linked recessive traits mostly seen in males. Hemophilia is passed from carrier mothers to some sons. - Genes on the Y chromosome in humans and the non-homologous region of the

Hour 5new

syaheer77

This document discusses different types of genes and inheritance patterns: 1) Lethal genes can be dominant or recessive, with recessive lethal alleles following a 2:1 genotypic to phenotypic ratio as seen in mouse coat color. 2) Linked genes on the same chromosome are inherited together and do not follow Mendel's laws of independent assortment unless separated by crossing over. This is demonstrated using examples in fruit flies. 3) Sex is determined by X and Y chromosomes in humans, with females as XX and males as XY. Sex-linked genes on the X chromosome are inherited differently between males and females.

Hour 5new

Hidayatul Illah

geneticsppt-150127002045-conversion-gate01.ppt

Jeffrey Alemania

This document discusses several topics related to genetics and heritable traits: - Handedness, hair curliness, allergies, and other traits can be inherited through single genes or combinations of genes with dominant and recessive alleles. - Pedigree charts are used to represent family histories and track the inheritance of traits across generations. They use symbols to denote relationships and presence of traits. - Autosomal traits can be inherited in dominant or recessive patterns, with dominant traits expressed in heterozygotes and recessive only in homozygous individuals. - X-linked traits differ in that females have two X chromosomes and males one, affecting likelihood of expression and transmission to offspring. - Real-

Genetics review 2

tirzahendrik

This document defines genetic terms and concepts related to single gene disorders and Mendelian inheritance patterns. It discusses alleles, genotypes, phenotypes, dominance, recessiveness, and other basic concepts. It then describes different inheritance patterns including autosomal dominant, autosomal recessive, X-linked, mitochondrial, and triplet repeat disorders. It provides examples of pedigrees that illustrate these patterns. It also discusses risk calculations and the Hardy-Weinberg principle for determining genotype and allele frequencies in a population.

The Chromosomal Basis Of Inheritance

Crystal Wood

The document summarizes key concepts in chromosomal inheritance from early experiments in fruit flies to human applications. It describes how Morgan's experiments with fruit flies established that genes are located on chromosomes and can be linked or unlinked. The text also explains sex determination, sex-linked traits and disorders, and how alterations in chromosome number or structure can cause conditions like Down syndrome, Klinefelter syndrome, and Turner syndrome.

lec1(1).pptx

AbhishekKumar671692

This document discusses medical genetics and the study of hereditary diseases. It covers several key topics: 1) The importance of heredity in disease etiology and pathogenesis. Hereditary factors play a role in clinical symptoms and treatment outcomes. 2) Classification of genetic disorders such as single gene, multifactorial, chromosomal, and mitochondrial disorders. 3) Methods used in medical genetics including genealogical analysis, karyotyping, biochemical analysis, and DNA/RNA analysis to study inheritance patterns and identify genetic variations.

In Drosophila melanogaster, the yellow body gene is X-linked. The yel.pdf

arhamgarmentsdelhi

In Drosophila melanogaster, the yellow body gene is X-linked. The yellow body phenotype is recessive to brown body phenotype. A yellow body female fruit fly was mated to a brown body male. The vast majority of the male progeny are yellow body. However, a rare brown body male was found in the progeny (1 out of 2060 males). What is the likely karyotype of this brown body son? XXY XX XYY XO XXX Solution Sex inheritance by modified Mendelian mechanism: X-linked inheritance means that the gene causing the trait or the disorder is located on the X chromosome. X-linked recessive inheritance is a mode of inheritance in which a mutation in a gene on the X chromosome causes the phenotype to be expressed in males who are necessarily hemizygous for the gene mutation because they have one X and one Y chromosome. Carrier females who have only one copy of the mutation do not usually express the phenotype, Females are XX (homogametic) Males are XY (heterogametic) Body color inherited by single gene, two allele system, brown dominant to yellow But, sex and body color not inherited independently Body color is linked to sex Body color gene on X chromosome Therefore, males have only one body color allele: Haploid and females have two eye color alleles: Diploid. Normally all the sons and none of the daughters show the recessive sex-linked characters of the mother when the father carries the dominant allelomorph. For example, a yellow body female mated to a brown body male produces yellow body males and brown body females, but rarely also a yellow body female or a brown body son. The production of these exceptions by a normal XX female must be due to an aberrant reduction division at which the two X chromosomes fail to disjoin from each other. In consequence both remain in the egg or both pass into the polar body. In the latter case an egg without an X chromosome is produced. Such an egg fertilized by an X sperm produces a male with the constitution XO. These males received their single X from their father and therefore show the father\'s characters. But that the Y does play some positive role is proved by the fact that all the XO males have been found to be absolutely sterile. Answer is d) XO.

3- human 3 genetics without genetic counseling.ppt

DrJoharAljohar

The document discusses human genetics and chromosome abnormalities. It covers several key points: 1) It describes the basic components and structure of chromosomes and DNA. This includes the number and types of chromosomes in human cells. 2) It explains different types of chromosome abnormalities including numerical abnormalities (aneuploidy, polyploidy) and structural abnormalities (deletions, duplications, inversions, translocations). 3) It discusses several patterns of inheritance for genetic conditions including autosomal dominant, autosomal recessive, X-linked, and mitochondrial inheritance.

Pedigree analysis pptx.

kareem

Fragile x syndrome

Sayma Zerin

Fragile X syndrome is caused by a mutation on the X chromosome that results in failure to produce the fragile X mental retardation protein. It is characterized by a range of developmental problems including cognitive impairment and learning disabilities. Males tend to be more severely affected than females. The condition was first linked to the X chromosome in 1943 and the genetic basis involving expansion of the CGG trinucleotide repeat was discovered in the FMR1 gene in 1991. It is the most common known cause of inherited intellectual disability and a significant cause of autism.

Heritable Traits in Man, Pedigree Analysis and Pedigree Application

Rica Joy Pontilar

This document discusses several heritable human traits and their patterns of inheritance: - Handedness is inherited as a dominant trait with right-handedness dominant over left-handedness. Some traits like naturally curly hair and widow's peak hairline also follow this pattern. - Allergies have a genetic component and children of parents with allergies have an increased chance of also having allergies. - Colorblindness is sex-linked and inherited through a recessive X-chromosome gene, so it is more common in men. - Pedigree charts are used to analyze inheritance patterns and determine if a trait is dominant, recessive, sex-linked, and the probability of it

Pedigree_analysis.pdf

wofoci5583

This document provides information about pedigree analysis including: - A pedigree is a pictorial representation of a family history used to study inherited diseases and traits. - Common symbols are used to represent individuals and their status in a pedigree. Basic patterns of inheritance include autosomal recessive, autosomal dominant, X-linked recessive, and X-linked dominant. - Autosomal traits are caused by genes on chromosomes 1-22, while sex-linked traits are caused by genes on the X or Y chromosome. Recessive traits require two copies of the allele while dominant traits only require one. - Examples of different inheritance patterns and diseases are described such as cystic fibrosis being autosomal recessive and

AP Bio Ch. 15, part 2

Stephanie Beck

Sex-linked genes exhibit unique patterns of inheritance depending on the sex chromosome system of the species. In humans, females have two X chromosomes and males have one X and one Y chromosome. The Y chromosome contains the SRY gene which triggers male development. Females serve as the default sex since they only need one X chromosome to develop, while males require specific signaling to develop as males. Abnormal chromosome numbers, called aneuploidies, can cause conditions like Down syndrome, Klinefelter syndrome, and Turner syndrome. Chromosomal mutations such as deletions, inversions, duplications, and translocations can also cause genetic disorders and occur during meiosis. Genomic imprinting and mitochondrial DNA inheritance are exceptions to

orca_share_media1637351181660_6867548610641918072.pdf

MohammedSwidek

This document discusses different modes of inheritance including: - Autosomal dominant and recessive traits as well as X-linked inheritance patterns. - It describes characteristics like transmission from parents to children and recurrence risks. - Factors that can influence expression of genetic traits are also outlined, such as reduced penetrance, variable expression, age effects, environmental interactions and genetic modifiers. - Other inheritance patterns like mitochondrial, genomic imprinting and multifactorial traits are briefly covered.

Pedigree analysis

Amy Allen

Pedigree analysis is an important tool for studying inherited diseases in human families. It allows inferences about genotypes and predictions about phenotypes in offspring. A pedigree is presented showing a family with cystic fibrosis, an autosomal recessive trait. Based on the pedigree, it can be determined that individuals II-3 and III-4 must have the genotype "aa" and their parents must have each contributed an "a" allele. The other individuals could be either genotype AA or Aa.

PPT-GENETICS.pptx

JesterFelizarta

This document provides information about sex-linked inheritance. It begins by defining sex-linked inheritance as traits influenced by genes on the sex chromosomes, particularly the X chromosome. Examples of sex-linked traits and disorders like hemophilia and color blindness are given. The document then explains how sex is determined by the presence of X and Y chromosomes and how this relates to passing sex-linked genes from parents to children. Patterns of sex-linked inheritance for both males and females are described.

Topic: "Sex-Linkage and Recombination"

AaronPaulPantojan

Sex linkage refers to traits whose expression is dependent on an individual's sex chromosomes. Thomas Morgan first discovered sex linkage in 1910 through an experiment with white-eyed male fruit flies. Sex linkage can occur through X-linked traits, which are located on the X chromosome, or Y-linked traits located on the Y chromosome. Examples of X-linked traits discussed are color blindness, hemophilia, and fragile X syndrome. An example of a Y-linked trait is hypertrichosis pinnae auris. Sex-influenced and sex-limited traits are also discussed.

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dbrienmhompsonkath75

Help me with these questions please.1. Name four characteristics t.pdf

dbrienmhompsonkath75

Help me with these questions please. 1. Name four characteristics that are used to describe single variable data. 2. What are the advantages of using a stemplot over a histogram? What are the disadvantages? 3. What are the advantages of using the mean as the center? What are the disadvantages? 4. What are the advantages of using the median as the center? What are the disadvantages? 5. What type of graph is used for bivariate data? 6. What is the difference between explanatory and response variables? 7. What does the correlation coefficient, r, measure? 8. What is the range of values of r? 9. What does the coefficient of determination, r^2, measure? 10. What is the range of values of r^2? 11. How is a residual plot constructed? 12. How is a residual plot interpreted? Solution 1) i. Randomness ii. Presentable iii. Reliable iv. Genuine 2) Stemplot gives list of values as it is in a easy form of presentation. Disadvantage is while histogram enables comparison about the data, stemplot just presents data in a grouped form 3) Mean is easily understood and also a good central measure. So many distributions we find that sample mean estimates population parameter but disadvantage of mean is it is affected by extreme items or outliers thus giving wrong picture about average. 4) Median is reliable and not affected by outliers as it is affectd only by the order of the item. The disadvantage is that for continuous data, it is not possible always to arrange in ascending and find median. 5) Planar graph with 2 coordinates used for bivariate data. 6) Explanatory variable is the independent variable which can take any value but response variable value depends on the value of explanatory variable 7) Correlation coefficient measures the dependence or association of two variables 8) r lies between -1 and +1 9) Coefficient of determination represent variation of y wrt x. It is square of r, and always positive thus gives a clear picture of relation between x and y. 10) r^2 varies from 0 to 1 11) Residual plot is constructed using scatter diagram and least square line. REsidue plot is the deviation of actual from estimated regression curve. 12) REsidual plot is the absolute difference of y and y estimate..

What features on the plasmid allows it to replicate independent o.pdf

dbrienmhompsonkath75

What features on the plasmid allows it to replicate independent of the chromosomes What features on the plasmid allows it to replicate independent of the chromosomes Solution Plasmids are the extra chromosomal DNA found in bacteria. Plasmids possesses a replicon or an origin of replication of specific nucleotide sequence. This replicon helps the plasmids to replicate independently. The tra genes or the transfer genes present in the plasmids helps them to get transferred to the next generation with the help of relaxosome (a combination of DNA and tra protein) which breaks one of the two strands of plasmid DNA and helps to unwind and it gets treansferred throgh pilus. Mob genes also helps them for mobilisation during transformation. Some plasmids undergo binary fission..

What are the use of Fibonacci numbers or the Golden Ratio in nature,.pdf

dbrienmhompsonkath75

What are the use of Fibonacci numbers or the Golden Ratio in nature, art, music, architecture, or some other real world application? Solution In the nature we can find some examples like: - The arrangement of petals of flowers - The distribution of leaves on a stem Some structures are designe by this number, for example The Parthenon In the music Bela Bartok (1881-1945), who have used such succession as a yardstick to determine certain elements of his compositions We can find many examples, because applications are diverse and varied.

Based on the following schematic with 3 D flip-flops, Write complete .pdf

dbrienmhompsonkath75

Based on the following schematic with 3 D flip-flops, Write complete VHDL codes with clock as input, and A, B, C are outputs Solution entity count is Port ( Clock : in STD_LOGIC; A,B,C : inout STD_LOGIC); end count; architecture Behavioral of count is component DFF Port ( Clock : in STD_LOGIC; D : in STD_LOGIC; Q : out STD_LOGIC); end component; signal DA,DB,DC:STD_LOGIC; begin DA<=(A xor \'1\'); DB<=(A xor B); DC<=(A and B)xor C; uA: DFF(Clock,DA,A); uB: DFF(Clock,DB,B); uC: DFF(Clock,DC,C); end Behavioral; //code for D Fliflop entity DFF is Port ( Clock : in STD_LOGIC; D : in STD_LOGIC; Q : out STD_LOGIC); end DFF; architecture Behavioral of DFF is begin process(clk,D) begin if(rising_edge(clk)) then Q <= D; end if; end process; end Behavioral;.

Although O_2 does not participate directly in the reactions of the TC.pdf

dbrienmhompsonkath75

Although O_2 does not participate directly in the reactions of the TCA cycle, the cycle operates only under aerobic conditions. Briefly explain this fact. How many ATP molecules are generated during the complete oxidative degradation of phosphoenolpyruvate (PEP) to CO_2 and H_2O? Assume the glycerol phosphate shuttle is operating and show how you arrived at your answer. Solution 2) even though oxygen does not participate in the TCA Cycle but the ATP and NADPH produced are passed in the ETC cycle where the oxygen acts as a electron transport.. Hence there the role of oxygen takes place which is not found in the case of anaerobic situations.. 3) when PEP gets converted to pyurvate I release 2 molecules of ATP.. But in this case only 1 ATP is produced as the one molecule of di-hydrooxyacetone phosphate converted to glyecerol-3- phosphate by glycerol cycle hence in the glycolysis step 1 molecule gets reduced hence 1 ATP gets reduced..!!.

8. Which of the following is NOT a transcriptionally repressed genom.pdf

dbrienmhompsonkath75

8. Which of the following is NOT a transcriptionally repressed genomic region? a. telomeres b. CpG islands c. one mating type locus in S. cerevisiaed. centromeres Solution b.CpG islands. The CpG sites or CG sites are regions of DNA where a cytosine nucleotide occurs next to a guanine nucleotide in the linear sequence of bases along its length. CpG is a shorthand , cytosin and guanine separated by only one phosphate : phosphate links any two nucleosides together in DNA. It is not trancriptionally repressed genomic region..

49. Autonomic nervous system function is influenced by A) cerebral co.pdf

dbrienmhompsonkath75

49. Autonomic nervous system function is influenced by A) cerebral cortex B) hypothalamus. C) reticular system D) A and B only. E) A, B, and C Solution Theanswer is B)hypothalamus because the hypothalamus is usually present above the brain stem.Moreover it works as an integrator for autonomic functions.This involves receiving and the regulatory input from the limbic system to perform various actions which inclucdes the control of respiration, cardiac regulation , vasomotor activity.ITalso regulates the cardiac regulation and helps in reflex actions such as coughing, sneezing, swallowing..

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Directions Problem 1. A female with Muppetrus bristle mates with a .pdf

1. Directions: Problem 1. A female with Muppetrus bristle mates with a male with Flonasean body color, producing the following counts: F1 Generation Males Disease-Disease WIT-Disease WT- WT Disease-WT 243 239 Females WT-Disease Disease Disease WT-WT Disease-WT 254 254 Solution Parents are heterozygous. Given that each parent has one disease phenotype at one locus and wild type at other locus. Female's disease phenotype is Muppetrus bristle. Let its symbol be WT. Cross is: +/disease (phenotype Muppetrus) crossed to +/disease (phenotype Flonasean) The answer cannot be homozygous lethal because WT-WT and Disease-Disease are there. Similarly it cannot be autosomal recessive, because in females Disease-Disease is 0. This means that the mode of inheritance is sex-linked recessive. In Drosophila males, crossing over does not occur. Only one X chromosome, which comes from the female parent. So, genotype of males will be "WT (wild type)" phenotype on X- chromosome. In females Disease-Disease is zero because of this.

Directions Problem 1. A female with Muppetrus bristle mates with a .pdf

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Directions Problem 1. A female with Muppetrus bristle mates with a .pdf